Luna/libc/src/unistd.cpp

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#include <stdarg.h>
#include <stdint.h>
#include <unistd.h>
extern "C" long arch_invoke_syscall(long, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
extern "C"
{
long syscall(long num, ...)
{
va_list ap;
va_start(ap, num);
uintptr_t arg0 = va_arg(ap, uintptr_t);
uintptr_t arg1 = va_arg(ap, uintptr_t);
uintptr_t arg2 = va_arg(ap, uintptr_t);
uintptr_t arg3 = va_arg(ap, uintptr_t);
uintptr_t arg4 = va_arg(ap, uintptr_t);
long rc = arch_invoke_syscall(num, arg0, arg1, arg2, arg3, arg4);
va_end(ap);
return rc;
}
}